Seat Temperature Control Module: Description and Operation

GF91.30-P-5209GZ Heated Seats/Seat Ventilation Control Unit, Component Description
- with CODE (401) Front deluxe seats, incl. seat heating and seat ventilation
- with CODE (872) Electrically heated left and right rear seats






Location
The HS [SIH], seat ventilation and steering wheel heater control unit is located in the 2nd seat row under the seat cushion on the passenger side.

Tasks

Voltage supply
- of the 2nd seat row heated cushions
- of the seat ventilation blower regulators
- of the steering wheel heater

Actuation
- of the 2nd seat row heated seats relay
- of the steering wheel heater relay
- of the seat ventilation blower regulators
- of the 2nd seat row heated cushions
- of the steering wheel heater